Electric connector

Abstract

The invention relates to an electric connector which comprises a male head assembly and a female head assembly, the male head assembly comprises a male shell, the surface of the male shell is provided with a guide groove, a rotation stopping groove and a locking groove, the female head assembly comprises a female shell, the surface of the female shell is provided with a guide key, a rotation stopping key and a locking key, and the guide groove, the rotation stopping groove and the locking groove are in one-to-one correspondence with the guide key, the rotation stopping key and the locking key. The length of the guide key is larger than the length of the rotation stopping key and the length of the locking key, the rotation stopping key is in a regular prism shape, and the number of edges of the rotation stopping key is equal to the number of the edges of the guide key, the number of the edges of the locking key and the area of the cross section of the locking key are larger than the area of the cross section of the guide key and the area of the cross section of the rotation stopping key. By adopting the technical scheme provided by the invention, the guide key and the rotation stopping key enable an operator to find processing errors in related components in time and identify direction errors of the male head assembly and the female head assembly in time, so that forced butt joint of the male head assembly and the female head assembly is avoided, and the locking key also enables electrical connection of the male head assembly and the female head assembly to be reliable.

Description

Technical Field

[0001] This invention belongs to the field of electrical connector technology, and particularly relates to an electrical connector. Background Technology

[0002] Existing electrical connectors mainly achieve circuit connection through the mutual plugging of male plugs and female connectors, while most related male and female plugs on the market are directly plugged in.

[0003] For example, patent document with authorization announcement number "CN111613935B" discloses an electrical connector, a mating electrical connector, and an electrical connector assembly. The mating electrical connector includes a body portion and a first mating portion located at the front end of the body portion. The electrical connector also has a second mating portion and an outer sleeve that extends forward beyond the second mating portion and forms a receiving cavity at the front end of the second mating portion. The body portion includes a first body portion and a second body portion located at the front end of the first body portion and smaller in size than the first body portion. The first mating portion and the second mating portion are mated together, and the second body portion is received in the receiving cavity. The receiving cavity cooperates with the second body portion. This patented technical solution enhances the mechanical connection strength between the electrical connector and the mating electrical connector.

[0004] In addition to meeting general performance requirements, electrical connectors must also meet the following critical requirements: good contact, reliable operation, and easy maintenance. Their reliability directly affects the normal operation of the entire circuit and is related to the safety of the entire host. However, when there are processing errors in the mounting holes on the surface of the components that make up the electrical connector, it is often difficult for the male and female connectors to mate correctly. When the shape features on the surface of the components are oriented incorrectly during processing, it is easy to damage the electrical connector if the male and female connectors are forcibly mated, which will affect the reliability of the electrical performance of the electrical connector. Summary of the Invention

[0005] To address the aforementioned technical problems, the present invention provides an electrical connector.

[0006] This invention provides an electrical connector, including a male connector assembly and a female connector assembly. The male connector assembly includes a male shell, the surface of which is provided with a guide groove, an anti-rotation groove, and a locking groove. The female connector assembly includes a female shell, the surface of which is provided with a guide key, an anti-rotation key, and a locking key. The guide groove, anti-rotation groove, and locking groove correspond one-to-one with the guide key, anti-rotation key, and locking key. The length of the guide key is equal to the length of the anti-rotation key and the length of the locking key. The anti-rotation key is a regular prism shape, and the number of edges of the anti-rotation key is equal to the number of edges of the guide key and the number of edges of the locking key. The cross-sectional area of ​​the locking key is greater than the cross-sectional area of ​​the guide key and the cross-sectional area of ​​the anti-rotation key.

[0007] The male assembly also includes a screw barrel and a limiting ring. The outer surface of the male shell is provided with a male lug, and the inner wall of the female shell is provided with a female lug. The surface of the male lug is provided with a limiting hole. The screw barrel is fitted into the limiting hole. One end of the screw barrel is riveted to the limiting ring, and the male lug is clamped between the other end of the screw barrel and the limiting ring. The limiting hole is a circular through hole.

[0008] The number of male or female earpieces is three or more.

[0009] The male connector assembly further includes a male connector bushing, a plurality of male connector pins, and a plurality of male connector sleeves. The male connector pins and male connector sleeves are all fixedly connected to the male connector bushing. The male connector bushing is also fitted inside the male housing. The female connector assembly further includes a female connector bushing, a plurality of female connector pins, and a plurality of female connector sleeves. The female connector pins and female connector sleeves are all fixedly connected to the female connector bushing by glass body sintering. The female connector bushing is also fitted inside the female housing. When the male housing is fitted inside the female housing, the male connector pins are simultaneously fitted inside the female connector sleeves, and the female connector pins are simultaneously fitted inside the male connector sleeves.

[0010] The number of male pins, male sockets, female pins, and female sockets are all equal.

[0011] The male connector assembly also includes a locking ring and a cover plate. When the locking ring is screwed into the male housing, the locking ring exerts a thrust on the cover plate, causing the male connector bushing to be fitted into the male housing, and also causing the cover plate to be clamped between the male connector bushing and the locking ring.

[0012] The male bushing and the cover plate are each provided with a pair of guide platforms. The male housing is also provided with a pair of orientation platforms. When the locking ring is screwed into the male housing, the guide platforms and orientation platforms fit together.

[0013] The surface of the locking ring is also provided with a tooling groove.

[0014] The female head bushing is also fitted with a sealing gasket. When the male shell is fitted into the female shell, the sealing gasket is held between the male head bushing and the glass body.

[0015] An insulating protective plate is also fitted inside the female bushing, and the glass body is sandwiched between the insulating protective plate and the sealing gasket.

[0016] The beneficial effects of this invention are as follows: Using the technical solution provided by this invention, since the length of the guide key is equal to the length of the anti-rotation key and the length of the locking key, when the male connector assembly and the female connector assembly are mated, the guide key enters the guide groove first, while the anti-rotation key and the locking key have not yet entered their respective anti-rotation grooves and locking grooves. This allows the operator to promptly detect shape errors on the surface of the male or female connector assembly before they are reliably connected, preventing forced mating and thus avoiding damage to the male or female connector assembly. Furthermore, since the anti-rotation key is a regular prism shape... Furthermore, the number of edges of the anti-rotation key is equal to the number of edges of the guide key and the locking key, which improves the operator's ability to identify the male and female connectors and prevents the operator from connecting the male and female connectors in the wrong direction. It also prevents the male and female connectors from being forcibly connected. In addition, since the cross-sectional area of ​​the locking key is larger than that of the guide key and the anti-rotation key, when the male and female connectors are connected in the correct direction, the locking key fits tightly into the locking groove, making the male and female connectors tightly connected and the electrical connection reliable. Attached Figure Description

[0017] Figure 1 This is an exploded view of the male connector assembly of the present invention; Figure 2 This is an exploded view of the female head assembly of the present invention; Figure 3 This is an exploded view of the male shell, screw head, and limiting ring of the present invention; Figure 4 This is an exploded view of the female head bushing, glass body, female head pin, and female head insert of the present invention.

[0018] In the diagram: 1-Male connector assembly, 2-Female connector assembly, 3-Male housing, 4-Guide groove, 5-Anti-rotation groove, 6-Locking groove, 7-Female housing, 8-Guide key, 9-Anti-rotation key, 10-Locking key, 11-Screw barrel, 12-Limit ring, 13-Male ear platform, 14-Female ear platform, 15-Limit hole, 16-Male connector bushing, 17-Male connector pin, 18-Male connector sleeve, 19-Female connector bushing, 20-Female connector pin, 21-Female connector sleeve, 22-Glass body, 23-Locking ring, 24-Cover plate, 25-Guide platform, 26-Unloading groove, 27-Sealing gasket, 28-Insulating protective plate. Detailed Implementation

[0019] The technical solution of the present invention will be further described below with reference to the accompanying drawings, but the scope of protection claimed is not limited thereto; This invention provides an electrical connector, such as... Figures 1 to 4As shown, the assembly includes a male connector assembly 1 and a female connector assembly 2. The male connector assembly 1 includes a male shell 3, and the surface of the male shell 3 is provided with a guide groove 4, an anti-rotation groove 5, and a locking groove 6. The female connector assembly 2 includes a female shell 7, and the surface of the female shell 7 is provided with a guide key 8, an anti-rotation key 9, and a locking key 10. The guide groove 4, the anti-rotation groove 5, and the locking groove 6 correspond one-to-one with the guide key 8, the anti-rotation key 9, and the locking key 10. The length of the guide key 8 is equal to the length of the anti-rotation key 9 and the length of the locking key 10. The anti-rotation key 9 is a regular prism shape, and the number of edges of the anti-rotation key 9 is equal to the number of edges of the guide key 8 and the number of edges of the locking key 10. The cross-sectional area of ​​the locking key 10 is greater than the cross-sectional area of ​​the guide key 8 and the cross-sectional area of ​​the anti-rotation key 9.

[0020] Using the technical solution provided by this invention, since the length of the guide key is equal to the length of the anti-rotation key and the length of the locking key, when the male connector assembly and the female connector assembly are mated, the guide key enters the guide groove first, while the anti-rotation key and the locking key have not yet entered their respective anti-rotation grooves and locking grooves. This allows the operator to promptly detect shape errors on the surface of the male or female connector assembly before they are reliably connected, preventing forced mating and thus avoiding damage to the male or female connector assembly. Furthermore, since the anti-rotation key is a regular prism shape and prevents rotation... The number of edges of the locking key is equal to the number of edges of the guide key and the locking key, which improves the operator's ability to identify the male and female connectors and prevents the operator from connecting the male and female connectors in the wrong direction. It also prevents the male and female connectors from being forcibly connected. In addition, since the cross-sectional area of ​​the locking key is larger than that of the guide key and the anti-rotation key, when the male and female connectors are connected in the correct direction, the locking key fits tightly into the locking groove, making the connection between the male and female connectors tight and the electrical connection reliable.

[0021] Specifically, the male connector assembly 1 also includes a screw barrel 11 and a limiting ring 12. The outer surface of the male shell 3 is also provided with a male lug 13, and the inner wall of the female shell 7 is also provided with a female lug 14. The surface of the male lug 13 is provided with a limiting hole 15. The screw barrel 11 is fitted into the limiting hole 15, and one end of the screw barrel 11 is riveted to the limiting ring 12, thus clamping the male lug 13 between the other end of the screw barrel 11 and the limiting ring 12. The limiting hole 15 is a circular through hole. Using the technical solution of this invention, when the male connector assembly and the female connector assembly are mated, the bolt passes through the female lug 14 and is screwed to the screw barrel 11, ensuring reliable mating of the male connector assembly or the female connector assembly.

[0022] In addition, there are more than three male ear platforms 13 or female ear platforms 14. The male ear platforms 13 are arranged in a circumferential array around the outer surface of the male shell 3, and the female ear platforms 14 are arranged in a circumferential array around the inner wall surface of the female shell 7.

[0023] In addition, the male connector assembly 1 also includes a male connector bushing 16, a plurality of male connector pins 17, and a plurality of male connector sleeves 18. Both the male connector pins 17 and male connector sleeves 18 are fixedly connected to the male connector bushing 16. The male connector bushing 16 is also fitted inside the male housing 3. The female connector assembly 2 also includes a female connector bushing 19, a plurality of female connector pins 20, and a plurality of female connector sleeves 21. Both the female connector pins 20 and female connector sleeves 21 are sintered and fixedly connected to the female connector bushing 19 using a glass body 22. The female connector bushing 19 is also fitted inside the female housing 7. When the male housing 3 is fitted inside the female housing 7, the male connector pins 17 are simultaneously fitted inside the female connector sleeves 21, and the female connector pins 20 are simultaneously fitted inside the male connector sleeves 18. Preferably, the number of male connector pins 17, male connector sleeves 18, female connector pins 20, and female connector sleeves 21 are all equal. By adopting the technical solution of the present invention, since both the male and female connectors are provided with pins and sleeves, when the male connector and the female connector are connected, the assembly error between the male pin 17 and the female sleeve 21, and the assembly error between the female pin 20 and the male sleeve 18 can compensate for each other, ensuring reliable connection between the male connector and the female connector.

[0024] Specifically, the male connector assembly 1 also includes a locking ring 23 and a cover plate 24. When the locking ring 23 is screwed into the male housing 3, the locking ring 23 exerts a thrust on the cover plate 24, causing the male connector bushing 16 to be fitted into the male housing 3, and also causing the cover plate 24 to be clamped between the male connector bushing 16 and the locking ring 23.

[0025] Furthermore, a pair of guide platforms 25 are provided on the side of the male connector bushing 16 and the side of the cover plate 24, and a pair of orientation platforms are also provided inside the male housing 3. When the locking ring 23 is screwed into the male housing 3, the guide platforms 25 and the orientation platforms fit together. By adopting the technical solution of the present invention, since a pair of guide platforms 25 are provided on the side of the male connector bushing 16 and the side of the cover plate 24, directional errors are further avoided when the male connector assembly and the female connector assembly are mated.

[0026] Furthermore, the surface of the locking ring 23 is also provided with a tool removal groove 26. Using the technical solution of this invention, when disassembling the male connector assembly, the operator can insert a tool into the tool removal groove 26, thereby facilitating the disassembly of the male connector assembly.

[0027] Specifically, a sealing gasket 27 is also fitted inside the female bushing 19. When the male shell 3 is fitted inside the female shell 7, the sealing gasket 27 is held between the male bushing 16 and the glass body 22. An insulating protective plate 28 is also fitted inside the female bushing 19, and the glass body 22 is held between the insulating protective plate 28 and the sealing gasket 27.

Claims

1. An electrical connector, characterized in that: The assembly includes a male connector (1) and a female connector (2). The male connector (1) includes a male shell (3). The surface of the male shell (3) is provided with a guide groove (4), an anti-rotation groove (5), and a locking groove (6). The female connector (2) includes a female shell (7). The surface of the female shell (7) is provided with a guide key (8), an anti-rotation key (9), and a locking key (10). The guide groove (4), the anti-rotation groove (5), and the locking groove (6) correspond one-to-one with the guide key (8), the anti-rotation key (9), and the locking key (10). The length of the guide key (8) is equal to the length of the anti-rotation key (9) and the length of the locking key (10). The anti-rotation key (9) is a regular prism shape, and the number of edges of the anti-rotation key (9) is equal to the number of edges of the guide key (8) and the number of edges of the locking key (10). The cross-sectional area of ​​the locking key (10) is greater than the cross-sectional area of ​​the guide key (8) and the cross-sectional area of ​​the anti-rotation key (9).

2. An electrical connector as described in claim 1, characterized in that: The male head assembly (1) also includes a screw barrel (11) and a limiting ring (12). The outer surface of the male shell (3) is also provided with a male ear platform (13), and the inner wall of the female shell (7) is also provided with a female ear platform (14). The surface of the male ear platform (13) is provided with a limiting hole (15). The screw barrel (11) is fitted into the limiting hole (15). One end of the screw barrel (11) is also riveted to the limiting ring (12), and the male ear platform (13) is clamped between the other end of the screw barrel (11) and the limiting ring (12). The limiting hole (15) is a circular through hole.

3. An electrical connector as described in claim 2, characterized in that: The number of male earpieces (13) or female earpieces (14) is three or more.

4. An electrical connector as described in claim 1, characterized in that: The male connector assembly (1) further includes a male connector bushing (16), several male connector pins (17), and several male connector sleeves (18). The male connector pins (17) and male connector sleeves (18) are all fixedly connected to the male connector bushing (16). The male connector bushing (16) is also fitted inside the male housing (3). The female connector assembly (2) further includes a female connector bushing (19), several female connector pins (20), and several female connector sleeves. (21) Both the female head pin (20) and the female head tube (21) are sintered and fixed inside the female head bushing (19) using a glass body (22). The female head bushing (19) is also fitted inside the female shell (7). When the male shell (3) is fitted inside the female shell (7), the male head pin (17) is simultaneously fitted inside the female head tube (21), and the female head pin (20) is simultaneously fitted inside the male head tube (18).

5. An electrical connector as described in claim 4, characterized in that: The number of male pins (17), male sockets (18), female pins (20), and female sockets (21) are all equal.

6. An electrical connector as described in claim 4, characterized in that: The male connector assembly (1) also includes a locking ring (23) and a cover plate (24). When the locking ring (23) is screwed into the male housing (3), the locking ring (23) exerts a thrust on the cover plate (24), causing the male connector bushing (16) to be fitted into the male housing (3), and also causing the cover plate (24) to be clamped between the male connector bushing (16) and the locking ring (23).

7. An electrical connector as described in claim 6, characterized in that: The male head bushing (16) and the cover plate (24) are provided with a pair of guide platforms (25). The male shell (3) is also provided with a pair of orientation platforms. When the locking ring (23) is screwed into the male shell (3), the guide platform (25) and the orientation platform fit together.

8. An electrical connector as described in claim 6, characterized in that: The surface of the locking ring (23) is also provided with a tool groove (26).

9. An electrical connector as described in claim 4, characterized in that: The female head bushing (19) is also fitted with a sealing gasket (27). When the male shell (3) is fitted into the female shell (7), the sealing gasket (27) is held between the male head bushing (16) and the glass body (22).

10. An electrical connector as described in claim 9, characterized in that: An insulating protective plate (28) is also fitted inside the female bushing (19), and the glass body (22) is sandwiched between the insulating protective plate (28) and the sealing gasket (27).

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